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Finding the Fourth Proportional to 521,771.36, 783,007.84 and 184,810.88

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Solution

The fourth proportional to 521,771.36, 783,007.84 and 184,810.88 is: 277,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,771.36 : 783,007.84 = 184,810.88 : x
  2. Step 2: Convert to fraction form
    521,771.36/783,007.84 = 184,810.88/x
  3. Step 3: Cross multiply
    521,771.36x = 783,007.84 × 184,810.88
  4. Step 4: Simplify right side
    521,771.36x = 144,708,367,957.30
  5. Step 5: Solve for x
    x = 144,708,367,957.30/521,771.36
  6. Step 6: Final answer
    x = 277,340.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.